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[USN-2143-1] cups-filters vulnerabilities

Posted on 12 March 2014
Ubuntu Security

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Ubuntu Security Notice USN-2143-1
March 12, 2014

cups-filters vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

cups-filters could be made to run programs as the lp user if it processed=
a
specially crafted file.

Software Description:
- cups-filters: OpenPrinting CUPS Filters

Details:

Florian Weimer discovered that cups-filters incorrectly handled memory
in the urftopdf filter. An attacker could possibly use this issue to
execute arbitrary code with the privileges of the lp user. This issue onl=
y
affected Ubuntu 13.10. (CVE-2013-6473)

Florian Weimer discovered that cups-filters incorrectly handled memory
in the pdftoopvp filter. An attacker could possibly use this issue to
execute arbitrary code with the privileges of the lp user. (CVE-2013-6474=
,
CVE-2013-6475)

Florian Weimer discovered that cups-filters did not restrict driver
directories in in the pdftoopvp filter. An attacker could possibly use th=
is
issue to execute arbitrary code with the privileges of the lp user.
(CVE-2013-6476)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 13.10:
cups-filters 1.0.40-0ubuntu1.1

Ubuntu 12.10:
cups-filters 1.0.24-2ubuntu0.2

Ubuntu 12.04 LTS:
cups-filters 1.0.18-0ubuntu0.2

In general, a standard system update will make all the necessary changes.=


References:
http://www.ubuntu.com/usn/usn-2143-1
CVE-2013-6473, CVE-2013-6474, CVE-2013-6475, CVE-2013-6476

Package Information:
https://launchpad.net/ubuntu/+source/cups-filters/1.0.40-0ubuntu1.1
https://launchpad.net/ubuntu/+source/cups-filters/1.0.24-2ubuntu0.2
https://launchpad.net/ubuntu/+source/cups-filters/1.0.18-0ubuntu0.2

 

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